v3.26.1
Income Taxes - Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($)
$ in Thousands
12 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Schedule Of Effective Income Tax Rate Reconciliation Abstract    
Income tax at statutory federal tax rate, Amount $ (611) $ 2,550
Income tax at statutory federal tax rate, Percentage 21.00%  
State and local income tax, net of federal income tax effect, Amount $ (417) 223
State and local income tax, net of federal income tax effect, Percentage 14.40%  
Changes in valuation allowances, Amount $ (19) (13,874)
Changes in valuation allowances, Percentage 0.60%  
Nondeductible expenses   5
FDII   (81)
Nontaxable life insurance cash value increase   (65)
Tax credits   (319)
Change in tax rate   173
Other items   (1)
Nontaxable or nondeductible items:    
Stock Based Compensation, Amount $ (1,205) (153)
Stock Based Compensation, Percentage 41.50%  
Non-deductible officer’s compensation, Amount $ 246  
Non-deductible officer’s compensation, Percentage (8.50%)  
Goodwill Write-off, Amount $ 84  
Goodwill Write-off, Percentage (2.90%)  
Other nontaxable or nondeductible items, Amount $ (1)  
Other nontaxable or nondeductible items, Percentage 0.10%  
Research and Development Tax credits, Amount $ (176)  
Research and Development Tax credits, Percentage 6.00%  
Changes in unrecognized tax benefits, Amount $ 5  
Changes in unrecognized tax benefits, Percentage (0.20%)  
Other, Amount $ 89  
Other, Percentage (3.00%)  
Total benefit, Amount $ (2,005) $ (11,542)
Total benefit, Percentage 69.00%